From: FUJITA Tomonori <[EMAIL PROTECTED]>
Subject: Re: [PATCH] Packet socket: fix for 64-bit kernel and 32-bit userland
Date: Wed, 08 Feb 2006 14:59:06 +0900

> From: "David S. Miller" <[EMAIL PROTECTED]>
> Subject: Re: [PATCH] Packet socket: fix for 64-bit kernel and 32-bit userland
> Date: Tue, 07 Feb 2006 21:48:02 -0800 (PST)
> 
> > From: FUJITA Tomonori <[EMAIL PROTECTED]>
> > Date: Wed, 08 Feb 2006 14:41:41 +0900
> > 
> > > From: "David S. Miller" <[EMAIL PROTECTED]>
> > > Subject: Re: [PATCH] Packet socket: fix for 64-bit kernel and 32-bit 
> > > userland
> > > Date: Tue, 07 Feb 2006 21:36:06 -0800 (PST)
> > > 
> > > > > tpacket_hdr structure includes 'unsigned long' though kernel and
> > > > > userland shares it in the mmapped ring buffer.
> > > > > 
> > > > > Seems it would be better to fix all data structures in the header file
> > > > > than fixing only tpacket_hdr structure.
> > > > > 
> > > > > Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
> > > > > Signed-off-by: Mike Christie <[EMAIL PROTECTED]>
> > > > 
> > > > You broke 64-bit userland by changing that "unsigned long"
> > > > to a __u32.
> > > 
> > > You mean that currently it's broken in 64-bit kernel and 32-bit
> > > userland anyway so use __u64 instead of __u32?
> > 
> > I mean that "unsigned long" is 64-bit in a 64-bit kernel, and thus
> > your changes break packet mmap() ringer buffers for native 64-bit
> > binaries.
> 
> I see. The following patch is OK?

Sorry. seems I don't see that at all. Is there any good way to solve
this problem?
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